{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [],
   "source": [
    "class Solution:\n",
    "    def removeDuplicates(self, nums: [int]) -> int:\n",
    "        i = 0\n",
    "        while i < len(nums)-1:\n",
    "            while nums[i] == nums[i+1]:\n",
    "                nums.remove(nums[i])\n",
    "            i = i+1\n",
    "        return len(nums)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [],
   "source": [
    "a = [1,1]\n",
    "i = 0\n",
    "while i < len(a)-1:\n",
    "    while i < len(a)-1 and a[i] == a[i+1]:\n",
    "        a.remove(a[i])\n",
    "    i = i+1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "[1]"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "a"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
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  "language_info": {
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    "name": "ipython",
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   "file_extension": ".py",
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   "pygments_lexer": "ipython3",
   "version": "3.6.3"
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 "nbformat": 4,
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